1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.events;
24  
25  import com.liferay.portal.kernel.events.Action;
26  import com.liferay.portal.kernel.events.ActionException;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.kernel.servlet.BrowserSnifferUtil;
30  import com.liferay.portal.kernel.util.GetterUtil;
31  import com.liferay.portal.kernel.util.Randomizer;
32  import com.liferay.portal.model.ColorScheme;
33  import com.liferay.portal.model.Layout;
34  import com.liferay.portal.model.Theme;
35  import com.liferay.portal.service.LayoutServiceUtil;
36  import com.liferay.portal.service.ThemeLocalServiceUtil;
37  import com.liferay.portal.theme.ThemeDisplay;
38  import com.liferay.portal.util.WebKeys;
39  
40  import java.util.List;
41  
42  import javax.servlet.http.HttpServletRequest;
43  import javax.servlet.http.HttpServletResponse;
44  
45  /**
46   * <a href="RandomLookAndFeelAction.java.html"><b><i>View Source</i></b></a>
47   *
48   * @author Brian Wing Shun Chan
49   */
50  public class RandomLookAndFeelAction extends Action {
51  
52      public void run(HttpServletRequest request, HttpServletResponse response)
53          throws ActionException {
54  
55          try {
56  
57              // Do not randomize look and feel unless the user is logged in
58  
59              ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
60                  WebKeys.THEME_DISPLAY);
61  
62              if (!themeDisplay.isSignedIn()) {
63                  return;
64              }
65  
66              // Do not randomize look and feel unless the user is accessing the
67              // portal
68  
69              String requestURI = GetterUtil.getString(request.getRequestURI());
70  
71              if (!requestURI.endsWith("/portal/layout")) {
72                  return;
73              }
74  
75              // Do not randomize look and feel unless the user is accessing a
76              // personal layout
77  
78              Layout layout = themeDisplay.getLayout();
79  
80              if (layout == null) {
81                  return;
82              }
83  
84              Randomizer randomizer = Randomizer.getInstance();
85  
86              boolean wapTheme = BrowserSnifferUtil.isWap(request);
87  
88              List<Theme> themes = ThemeLocalServiceUtil.getThemes(
89                  themeDisplay.getCompanyId(), themeDisplay.getScopeGroupId(),
90                  themeDisplay.getUserId(), wapTheme);
91  
92              if (themes.size() > 0) {
93                  Theme theme = themes.get(randomizer.nextInt(themes.size()));
94  
95                  List<ColorScheme> colorSchemes = theme.getColorSchemes();
96  
97                  ColorScheme colorScheme = colorSchemes.get(
98                      randomizer.nextInt(colorSchemes.size()));
99  
100                 LayoutServiceUtil.updateLookAndFeel(
101                     layout.getGroupId(), layout.isPrivateLayout(),
102                     layout.getPlid(), theme.getThemeId(),
103                     colorScheme.getColorSchemeId(), layout.getCss(), wapTheme);
104 
105                 themeDisplay.setLookAndFeel(theme, colorScheme);
106 
107                 request.setAttribute(WebKeys.THEME, theme);
108                 request.setAttribute(WebKeys.COLOR_SCHEME, colorScheme);
109             }
110         }
111         catch (Exception e) {
112             _log.error(e, e);
113 
114             throw new ActionException(e);
115         }
116     }
117 
118     private static Log _log =
119         LogFactoryUtil.getLog(RandomLookAndFeelAction.class);
120 
121 }